2847642 has 16 divisors (see below), whose sum is σ = 6508992. Its totient is φ = 813600.

The previous prime is 2847623. The next prime is 2847643. The reversal of 2847642 is 2467482.

It is not an unprimeable number, because it can be changed into a prime (2847643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33859 + ... + 33942.

It is an arithmetic number, because the mean of its divisors is an integer number (406812).

2^2847642 is an apocalyptic number.

2847642 is an abundant number, since it is smaller than the sum of its proper divisors (3661350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2847642 is a wasteful number, since it uses less digits than its factorization.

2847642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67813.

The product of its digits is 21504, while the sum is 33.

The square root of 2847642 is about 1687.4957777725. The cubic root of 2847642 is about 141.7408816831.

The spelling of 2847642 in words is "two million, eight hundred forty-seven thousand, six hundred forty-two".